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视频标签：Astronomy
所属栏目：高中英语优质课视频
视频课题：高一年级必修三M3 Unit 4 Astronomy the science of the stars, Book 3, NSEFC陕西省优课
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高一年级必修三M3 Unit 4 Astronomy the science of the stars, Book 3, NSEFC陕西省优课
教学设计
Learning plan M3 Unit 4 Astronomy: the science of the stars
Ⅰ: Warming up and pre-reading
There are eight planets circling around the sun in our solar system What are they? Can you name out all the planets in English?
Ⅱ: Reading
How life began on the earth
1) Fast- reading: ( look through the text and find out the main idea of each paragraph) Paragraph 1: A widely accepted theory about the formation of the ________ Paragraph 2: The formation of the ____________ Paragraph 3: The importance of ___________ for life
Paragraph 4: The development of ___________ and ___________ on the earth Paragraph 5: The arrival of ___________ and their ________ on the earth
2) Detailed- reading (Choose the best answer to each question according to the text) 1). What is important for the beginning of life?
A. The water on the earth B. The earth’s atmosphere C. The form of forests D. Dissolving harmful gases 2).Which of the following appeared on the earth first?
A. Insect B. Repitles C. Amphibians D. shellfish and fish 3). Which of the following statements is true? A. Water still exists on Mars
B. Plants Provide oxygen to the earth
C. The earth’s atmosphere is made of oxygen and nitrogen
D. The earth had dissolved the harmful atmosphere into the oceans and seas. 4).What is the passage mainly about? A. The birth of the earth B. Why dinosaurs died out.
C. The formation of the earth and development of life on the earth D. The fact that human beings caused global warming. 3) summary
1) Ask Ss to read Para 1, 2 and 3 and fill in the blanks
After the ________the earth was just a cloud of _______. Then the dust began to slowly _________ _____a ball. It ______with the fire and rock. As the earth cooled down, _______ began to appear on its __________.It dissolved __________gases, which made it ________ for ________to begin on the earth .
2) Ask Ss to read Para 4 and 5 and fill in the blanks about the order of development of life
Many millions of years later, small ________in water ________oxygen. Then ______ and other fish followed. Next, plants began to _______on the land, insects and amphibians appeared. Later, when the plants grew into _________, reptiles, dinosaurs, mammals and _________ _________appeared on the earth in their turn. Now human beings are faced with many problems
caused by themselves.
Ⅲ: Homework: Read the passage again and review the new words and phrases in the text.
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